DEEP FISSION INC. (FISN) - Insider Holders & Insider Ownership

List of insiders holdings for DEEP FISSION INC.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
1Muller Elizabeth
Chief Executive Officer
2026-03-10 17:27:564,150,300
0
4,150,300Form 4
2Tompkins Mark N.
See Remarks
2026-05-15 16:39:103,158,333
0
3,158,333Form 13G
3Muller Richard
Chief Technology Officer
2026-03-10 17:26:33872,363
0
872,363Form 4
4Brasel Michael Allen
Chief Operating Officer
2026-03-10 17:25:54530,000
0
530,000Form 4
5Gordon Jonathan H
General Counsel
2026-03-10 17:24:50328,000
0
328,000Form 4
6Jacobs Ian Seth
President, CEO, CFO, Secretary
2025-08-28 19:00:56275,000
0
275,000Form 4
7Peres Mark Wayne
Chief Nuclear Officer
2026-03-10 17:25:22263,000
0
263,000Form 4
8Schmitz William Mark
Chief Financial Officer
2026-03-10 17:31:14223,980
0
223,980Form 4
9Goldman Tepper Leslie
Director
2026-07-27 17:01:3219,204
0
19,204Form 4
10GLANVILLE THOMAS S
Director
2026-07-27 17:03:0519,156
0
19,156Form 4
11JANOVER BLAKE
Director
2026-07-27 17:02:3218,962
0
18,962Form 4
12Angell Jonathon
Director
2026-07-27 17:00:3716,973
0
16,973Form 4